Support external arrays in Crankshaft

src/ia32/assembler-ia32.cc

Index: src/ia32/assembler-ia32.cc
diff --git a/src/ia32/assembler-ia32.cc b/src/ia32/assembler-ia32.cc
index 3f35fcf17a58926c75a3c5c2a904827ddde75951..deae4cb6c5f19fe3c3fc762474a3f62d6a71da37 100644
--- a/src/ia32/assembler-ia32.cc
+++ b/src/ia32/assembler-ia32.cc
@@ -2176,6 +2176,17 @@ void Assembler::cvtss2sd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::cvtsd2ss(XMMRegister dst, XMMRegister src) {
+  ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xF2);
+  EMIT(0x0F);
+  EMIT(0x5A);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::addsd(XMMRegister dst, XMMRegister src) {
   ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
   EnsureSpace ensure_space(this);
@@ -2420,6 +2431,39 @@ void Assembler::movsd(XMMRegister dst, XMMRegister src) {
 }
 
 
+void Assembler::movss(const Operand& dst, XMMRegister src ) {
+  ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xF3);  // float
+  EMIT(0x0F);
+  EMIT(0x11);  // store
+  emit_sse_operand(src, dst);
+}
+
+
+void Assembler::movss(XMMRegister dst, const Operand& src) {
+  ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xF3);  // float
+  EMIT(0x0F);
+  EMIT(0x10);  // load
+  emit_sse_operand(dst, src);
+}
+
+
+void Assembler::movss(XMMRegister dst, XMMRegister src) {
+  ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
+  EnsureSpace ensure_space(this);
+  last_pc_ = pc_;
+  EMIT(0xF3);
+  EMIT(0x0F);
+  EMIT(0x10);
+  emit_sse_operand(dst, src);
+}
+
+
 void Assembler::movd(XMMRegister dst, const Operand& src) {
   ASSERT(isolate()->cpu_features()->IsEnabled(SSE2));
   EnsureSpace ensure_space(this);